| Name: | Kupffer's vesicle |
|---|---|
| Synonyms: | ciliated organ of asymmetry |
| Definition: | Small but distinctive epithelial sac containing fluid, located midventrally posterior to the yolk cell or its extension, and transiently present during most of the segmentation period. Kupffer's vesicle has been compared to the mouse embryonic node. |
| Ontology: | Anatomy Ontology [ZFA:0000001] |
| Name: | cilium |
|---|---|
| Synonyms: | eukaryotic flagellum, flagellum, microtubule-based flagellum |
| Definition: | A specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body. |
| Ontology: | GO: Cellular Component [GO:0005929] QuickGO AmiGO |
| Name: | immobile |
|---|---|
| Synonyms: | fixed |
| Definition: | A mobility quality inhering in a bearer by virtue of the bearer's being incapable to move freely. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000300] |